The NM27C040Q-120 is a high-quality, advanced technology product from Texas Instruments, a leading global semiconductor company renowned for its innovative and reliable products.

• Description: The NM27C040Q-120 is a 4 Megabit (524,288 words by 8 bits) CMOS EPROM that is designed to offer excellent performance and superior functionality.
• Operation: This product operates from a single +5V supply, and its static design eliminates the need for external clocks or timing strobes, with CMOS circuitry reducing power consumption and providing for greater reliability.
• Organization: The NM27C040Q-120 is organized as 524,288 words by 8 bits (4 Mbit), allowing a large amount of data to be stored and accessed efficiently.
• Access Time: The NM27C040Q-120 also features an access time of 120 ns, which ensures swift data retrieval and enhances overall system performance.
• Applications: This makes it an excellent choice for use in a wide range of applications, including microprocessor systems, personal computers, telecommunications, and industrial control systems.
• Programming Voltage: One of the key features of the NM27C040Q-120 is its programming voltage of 12.75V ± 0.25V.
• Programmer compatibility: This feature ensures that the device can be programmed using widely available EPROM programmers.
• Pinout: Furthermore, the product has a standard JEDEC pinout, which makes it compatible with other standard devices and thus easy to integrate into various systems.
• Features: The NM27C040Q-120 is also designed to be highly reliable, with features such as output enable and program enable control lines, and a program inhibit mode that allows byte-by-byte programming.
• Detection: It also has a data polling feature that provides a software method of detecting the end of the programming cycle.
• Package: In terms of physical specifications, the NM27C040Q-120 comes in a 32-pin plastic DIP package.